7993009 has 16 divisors (see below), whose sum is σ = 9054720. Its totient is φ = 7015680.

The previous prime is 7992973. The next prime is 7993021. The reversal of 7993009 is 9003997.

It is a happy number.

It is not a de Polignac number, because 7993009 - 2¹⁵ = 7960241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7993099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15022 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (565920).

Almost surely, 2^7993009 is an apocalyptic number.

It is an amenable number.

7993009 is a deficient number, since it is larger than the sum of its proper divisors (1061711).

7993009 is a wasteful number, since it uses less digits than its factorization.

7993009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 7993009 is about 2827.1910087576. The cubic root of 7993009 is about 199.9417246883.

The spelling of 7993009 in words is "seven million, nine hundred ninety-three thousand, nine".